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Finding the Fourth Proportional to 83,969.19, 125,949.47 and 31,374.54

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Solution

The fourth proportional to 83,969.19, 125,949.47 and 31,374.54 is: 47,060.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,969.19 : 125,949.47 = 31,374.54 : x
  2. Step 2: Convert to fraction form
    83,969.19/125,949.47 = 31,374.54/x
  3. Step 3: Cross multiply
    83,969.19x = 125,949.47 × 31,374.54
  4. Step 4: Simplify right side
    83,969.19x = 3,951,606,527.62
  5. Step 5: Solve for x
    x = 3,951,606,527.62/83,969.19
  6. Step 6: Final answer
    x = 47,060.20

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